$110 Cheap Frontier Airlines flights Portland (PDX) to Washington (IAD)

$110 Cheap Frontier Airlines flights Portland (PDX) to Washington (IAD)

Prices were available within the past 7 days and start at $110 for one-way flights and $260 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, May 24 - Thu, May 28

PDX

Portland

IAD

Washington

$260 Roundtrip, found 23 hours ago

$260

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Sun, May 24 from Portland to Washington, returning Thu, May 28, priced at $260 found 23 hours ago

Mon, Jun 22 - Mon, Jul 13

PDX

Portland

IAD

Washington

$280 Roundtrip, found 1 day ago

$280

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Jun 22 from Portland to Washington, returning Mon, Jul 13, priced at $280 found 1 day ago

Sun, May 24 - Sat, May 30

PDX

Portland

IAD

Washington

$321 Roundtrip, found 11 hours ago

$321

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Sun, May 24 from Portland to Washington, returning Sat, May 30, priced at $321 found 11 hours ago

Mon, Jun 1 - Thu, Jun 18

PDX

Portland

IAD

Washington

$330 Roundtrip, found 1 day ago

$330

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Jun 1 from Portland to Washington, returning Thu, Jun 18, priced at $330 found 1 day ago

Thu, Jul 23 - Mon, Aug 10

PDX

Portland

IAD

Washington

$345 Roundtrip, found 1 day ago

$345

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jul 23 from Portland to Washington, returning Mon, Aug 10, priced at $345 found 1 day ago

Sun, May 24 - Mon, Jun 1

PDX

Portland

IAD

Washington

$360 Roundtrip, found 23 hours ago

$360

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Sun, May 24 from Portland to Washington, returning Mon, Jun 1, priced at $360 found 23 hours ago